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CVE detail

CVE-2021-41524

While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.

CVSS 7.5 · HighBuzz score 21.9

Buzz score

Why this CVE is surfacing

Buzz score total 21.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 13.9 · diversity 8.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
13.9
3 evidence mentions in the snapshot
Diversity score
8.0
3 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
3 source links · newest first
  • Users are urged to immediately patch an Apache HTTP Server zero-day vulnerability that has been exploited in the wild. More than 100,000 servers appear to be exposed to attacks.

    newswww.securityweek.comOct 6, 2021, 11:06 AM
  • Apache has addressed two vulnerabilities, one of which is a path traversal and file disclosure flaw in its HTTP server actively exploited in the wild. Apache has rolled out security patches to address two flaws, including a path traversal and file disclosure issue in its HTTP server that is actively exploited in the wild. The […]

    newssecurityaffairs.comOct 5, 2021, 5:15 PM
  • The Apache HTTP Server 2.4.49 is vulnerable to a flaw that allows attackers to use a path traversal attack to map…

    newswww.malwarebytes.comOct 5, 2021, 5:00 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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